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12VDC to 9VDC Converter

This is a 12VDC to 9VDC Converter circuit. You may use this circuit if you have fixed 12V power supply / battery, but you need 9V power supply for your electronic devices.

12VDC to 9VDC Converter circuit

Component Part List:

R1________ 560 ohm
C1________ 1000μF/16V, Electrolytic
C2________ 100μF/16V, Electrolytic
C3________ 330nF, Ceramic
Z1________ 9.1V, 0.4watt zener
Q1________ ECG184, NTE184

To get a more precise output voltage, replace zener diode Z1 with 10V and R1 with a 1 Kilo ohm potentiometer.
A Coolrib for Q1 is optional. Simple circuit to power your 9 volt cassette recorder and other stuff.

12VDC to 9VDC Converter circuit
Categories: Power Electronics
Tags: 12v dc to 9v dc converter,  12v to 9v converter circuit,  12v to 9v dc converter,  12vdc to 9vdc circuit,  12vdc to 9vdc converter,  12VDC to 9VDC Schematics,  12volt to 9volt converter,  dc converter,  volt converter, 

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3 Responses so far.

  1. bryan says:

    hi,, can you make diagram for 36vdc to 12vdc?? thanks..

  2. cliff says:

    What volt is c3

  3. it should be 16V and above…

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